ADDITION
SUBTRACTION
ADDITION & SUBTRACTION
SUBTRACTION
ADDITION
1000

42+ 9

51

1000

62-6

56

1000

34+76

110

1000

44-7

37

1000

34-7

27

2000

55+2

57

2000

76-54

22

2000

456-8       

448

2000

76-6

70

2000

77+8

85

3000

20+32

52

3000

67- 65

2

3000

60-7

53

3000

55-9

46


3000

89+8

97

4000

87+4

91

4000

44-28

16

4000

87+7

94
4000

12-7

5

4000

67+90

157

5000

10+18

28

5000

100-34

66

5000

66+6

72

5000

88-9

79

5000

17+6

23

M
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u